ZLF645S0P2032G Zilog, ZLF645S0P2032G Datasheet - Page 41

• Manufacturer Part Number: ZLF645S0P2032G
• Description: Microcontrollers (MCU) 32K Flash 512B RAM 20 pin
• Manufacturer: Zilog

Specifications of ZLF645S0P2032G

• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 32 KB
• Data Ram Size: 512 KB
• Interface Type: ICP, UART
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 3
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• Package / Case: PDIP-20
• Minimum Operating Temperature: 0 C
• Lead Free Status / Rohs Status: Details

Table 16. Port 1 Register (P1)
PS026407-0408
Bit
Field
Reset
R/W
Address
Note: For package types other than the 48-pin package, this register is available as a general-purpose register.
Bit Position
[7:0]
Note: For packages other than 48-pin package, this register is available as general-purpose register.
Port 1 Register
The Port 1 register (see
R/W
Value
P17
Read
Write
X
7
0
1
0
1
Description
Port 1 Pins 7–0—Each bit provides access to the corresponding Port 1 pin.
Pin configured as input or output in P01M register.
Pin level is Low.
Pin level is High.
Pin configured as output in P01M register.
Assert pin Low.
Assert pin High, if configured as push-pull; make pin high-impedance if it is
open-drain.
R/W
P16
X
6
R/W
P15
Table
X
5
Bank 0–3: 01h; Linear: 001h
16) allows read and write access to the Port 1 pins.
R/W
P14
X
4
R/W
P13
X
3
ZLF645 Series Flash MCUs
R/W
P12
X
2
Product Specification
R/W
P11
X
1
Port 1 Register
R/W
P10
0
X
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